891359 has 6 divisors (see below), whose sum is σ = 1036944. Its totient is φ = 763980.

The previous prime is 891349. The next prime is 891377. The reversal of 891359 is 953198.

It is not a de Polignac number, because 891359 - 2⁸ = 891103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9047 + ... + 9144.

It is an arithmetic number, because the mean of its divisors is an integer number (172824).

2⁸⁹¹³⁵⁹ is an apocalyptic number.

891359 is a deficient number, since it is larger than the sum of its proper divisors (145585).

891359 is a wasteful number, since it uses less digits than its factorization.

891359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18205 (or 18198 counting only the distinct ones).

The product of its digits is 9720, while the sum is 35.

The square root of 891359 is about 944.1181070184. The cubic root of 891359 is about 96.2389518999.

The spelling of 891359 in words is "eight hundred ninety-one thousand, three hundred fifty-nine".